Overview In this homework, you will modify an existing Java Web application that violates several Payment Card Industry guidelines and recommendations. Your task is to locate the issues, based on the readings for this course, identify what is wrong and then fix the code. You will discuss each issue in terms of why the issue may cause a security vulnerability, and how you specifically fixed the issue. Assignment Review, Run and Understand the Sample Java Web application. The current code, uses Java JSP and Servlets to allow a user to login to their account and view credit card data stored in the database. The functionality is relatively simple but several PCI compliance rules have been violated that will prevent the application from being approved by a PCI software auditor. You should first load up the application, populate the database and make sure the application is working in your environment as expected. The application uses the Java Derby relational database. The script used to populate the application is attached in your project folder as well as the Java web project itself. You should be able to open the existing project using Netbeans. However; you may need to load the Derby drivers to the libraries for the project. You can create a new database connection by clicking the services folder and then right mouse-click on Databases select new connection. You can then create a connection for the SDEV425 database. Below is a screen capture that represents my configuration.

Notes: Store input values into their declared variables and not use textboxes directly in expression.Summary: In this assignment you create a program to convert feet and inches to meter. The conversion is done with a function you write in the program and then call it. Input data: Feet: User enters a number for feet Period: User enters a number for inches Instructions: Create a new project and name it as yourlastname-firstname-Assignment5. Save this project in VB folder you created earlier. Change form’s title to: Your full name – Assignment 5 - Conversion. Form contains four Labels, two TextBoxes, and three Button controls. Use labels to identify Feet, Inches and Meters. See below Form Layout with Controls for more details. Note: You will use the same control Names shown below. - Input variables: Feet (Single) - TextBox, txtFeet Inches (Single) - TextBox, txtInches - Output variables: Meters (Single) -Label, lblMeters To convert feet and inches to meters, use this formula: (feet * 12 + inches) * 0.0254. 0.0254 is a constant value to convert English system to Metric. Make sure to declare a Constant for this literal number. You construct a Function for this conversion. It will be placed after End Sub for btnConvert_Click. Start the Function code with typing Function keyword, followed by the function name, followed by parameters, followed by function type. This Function has two parameters; feet and inches. See below for suggested program's infrastructure. Items to note:. Variables names must follow the conventions and rules explained earlier and must have proper data type for the values that will be stored in them. Appearance of the form is very important; Make sure that your design is clean; Spelling is important. Clear button, clears TextBoxes and Label control that displays Meters. Exit button, closes the Form. You will write the code for the three buttons. Avoid double-clicking on TextBox and Label Controls to create unnecessary code. If you do, please delete them. Run the program, enter values for Feet and Inches, then click Convert button, to see the Meters equivalent displays in the Label control. See example for the complete program below. Note: If you leave TextBoxes blank when program is running, your program would crash. Avoid testing with blank TextBoxes. We will learn how to solve this problem. To save the project, from File, select Save All. Continue with SaveAll after making changes. Once project is complete, open File Explorer; open VB folder and you will see a folder named: yourlastname-firstname-Assignment5. This folder contains a folder and a solution file with SLN extension. Both are named the same. Solution file (.SLN) and the folder containing VB necessary files to run the project.

Deliverables (HOW)1.Load the Ames housing dataset.2.Perform Exploratory Data Analysis and use descriptive statistics to describe the data.3.Prepare the dataset for modeling by imputing missing values with the variable's mean value or any other value that you prefer.4.Use the "cor()" function to produce a correlation matrix of the numeric values.5.Produce a plot of the correlation matrix, and explain how to interpret it. (hint -check the corrplot or ggcorrplot plot libraries)6.Make a scatter plot for the X continuous variable with the highest correlation with SalePrice. Do the same for the X variable that has the lowest correlation with SalePrice. Finally, make a scatter plot between X and SalePrice with the correlation closest to 0.5. Interpret the scatter plots and describe how the patterns differ.7.Using at least 3 continuous variables, fit a regression model in R.8.Report the model in equation form and interpret each coefficient of the model in the context of this problem9.Use the "plot()" function to plot your regression model. Interpret the four graphs that are produced.10.Check your model for multicollinearity and report your findings.What steps would you take to correct multicollinearity if it exists?11.Check your model for outliers and report your findings. Shouldthese observations be removed from the model?12.Attempt to correct any issues that you have discovered in your model. Did your changes improve the model, why or why not?13.Use the all subsets regression method to identify the "best" model. State the preferred model in equation form.14.Compare the preferred model from step 13 with your model from step 12. How do they differ? Which model do you prefer and why